A powerful, long-running, long-lasting LED with all the same great features as the Stinger LED with an independent full-feature tailcap switch in addition to the head-mounted push-button switch. C4 LED Technology. The combination of a rechargeable battery and a 50,000 hour lifetime C4 LED results in the lowest operating cost of any flashlight made. Deep-dish parabolic reflector produces a long range targeting beam with optimal peripheral illumination to aid in navigation. Up to 17,000 candela (peak beam intensity) and up to 180 lumens measured system output. Runtime: High – Up to 2 hours; Medium – Up to 3.75 hours; Low – up to 7.25 hours; Strobe – Up to 5.5 hours. Optimized electronics provides regulated intensity. Length – 8.85 " (22.48 cm). Weight – 12.8 oz (364 grams). 6000 series machined aircraft aluminum with non-slip rubberized comfort grip. Unbreakable Polycarbonate with scratch-resistant coating. O-Ring sealed construction. C4 LED technology, impervious to shock with a 50,000 hour lifetime. 3-cell, 3.6 Volt Nickel cadmium sub-C battery is rechargeable up to 1000 times. Includes Anti-roll Ring. Fits existing Stinger chargers. 10 hours to recharge on 100V, 120V, 230V or 240V AC. 12V DC 2.5 hour fast charger, 5-bank charger or PiggyBack charger offered.